Relevant bibliographies by topics / Austenitic Stainless Steel-Microstructure

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Austenitic Stainless Steel-Microstructure'

Author: Grafiati
Published: 4 June 2021
Last updated: 6 September 2023

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Journal articles on the topic "Austenitic Stainless Steel-Microstructure"

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Shokohfar, A., S. M. Abbasi, Ali Yazdani, and Behnam Rabiee. "Application of Thermo-Mechanical Process to Achieve Nanostructure in 301 Austenitic Stainless Steels." Defect and Diffusion Forum 312-315 (April 2011): 51–55. http://dx.doi.org/10.4028/www.scientific.net/ddf.312-315.51.

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In this study, cold rolling and annealing are used to refine the austenite grains of 301 austenitic stainless steel. The 301 austenitic stainless steel was cold rolled for 70 and 90% strain and then annealed. Effects of cold rolling factors and temperatures and annealing times on microstructure, hardness and tensile properties have been studied.
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Brytan, Z. "The corrosion resistance of laser surface alloyed stainless steels." Journal of Achievements in Materials and Manufacturing Engineering 2, no. 92 (December 3, 2018): 49–59. http://dx.doi.org/10.5604/01.3001.0012.9662.

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Purpose: of this paper was to examine the corrosion resistance of laser surface alloyed (LSA) stainless steels using electrochemical methods in 1M NaCl solution and 1M H2SO4 solution. The LSA conditions and alloying powder placement strategies on the material's corrosion resistance were evaluated. Design/methodology/approach: In the present work the sintered stainless steels of different microstructures (austenitic, ferritic and duplex) where laser surface alloyed (LSA) with elemental alloying powders (Cr, FeCr, Ni, FeNi) and hard powders (SiC, Si3N4) to obtain a complex steel microstructure of improved properties. Findings: The corrosion resistance of LSA stainless steels is related to process parameters, powder placing strategy, that determines dilution rate of alloying powders and resulting steel microstructure. The duplex stainless steel microstructure formed on the surface layer of austenitic stainless steel during LSA with Cr and FeCr reveal high corrosion resistance in 1M NaCl solution. The beneficial effect on corrosion resistance was also revealed for LSA with Si3N4 for studied steels in both NaCl and H2SO4 solutions. Ferritic stainless steel alloyed with Ni, FeNi result in a complex microstructure, composed of austenite, ferrite, martensite depending on the powder dilution rate, also can improve the corrosion resistance of the LSA layer. Research limitations/implications: The LSA process can be applied for single phase stainless steels as an easy method to improve surface properties, elimination of porosity and densification and corrosion resistance enhancement regarding as sintered material. Practical implications: The LSA of single phase austenitic stainless steel in order to form a duplex microstructure on the surface layers result in reasonably improved corrosion performance. Originality/value: The original LSA process of stainless steels (austenitic, ferritic and duplex) was studied regarding corrosion resistance of the alloyed layer in chloride and sulphate solutions.
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Ravi Kumar, B., J. K. Sahu, and S. K. Das. "Influence of Annealing Process on Recrystallisation Behaviour of a Heavily Cold Rolled AISI 304L Stainless Steel on Ultrafine Grain Formation." Materials Science Forum 715-716 (April 2012): 334–39. http://dx.doi.org/10.4028/www.scientific.net/msf.715-716.334.

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AISI 304L austenitic stainless steel was cold rolled to 90% with and no inter-pass cooling to produced 89% and 43% of deformation induced martensite respectively. The cold rolled specimens were annealed by isothermal and cyclic thermal process. The microstructures of the cold rolled and annealed specimens were studied by the electron microscope. The observed microstructural changes were correlated with the reversion mechanism of martensite to austenite and strain heterogeneity of the microstructure. The results indicated possibility of ultrafine austenite grain formation by cyclic thermal process for austenitic stainless steels those do not readily undergo deformation induced martensite. Keywords: Austenitic stainless steel, Grain refinement, Cyclic thermal process, Ultrafine grain
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Dománková, Mária, Marek Adamech, Jana Petzová, Katarína Bártová, and Peter Pinke. "Microstructure Characteristics of Borated Austenitic Stainless Steel Welds." Research Papers Faculty of Materials Science and Technology Slovak University of Technology 26, no. 43 (September 1, 2018): 45–52. http://dx.doi.org/10.2478/rput-2018-0029.

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Abstract Borated austenitic stainless steel is used in nuclear industry due to the high neutron absorption efficiency. The plasma, laser and electron beam welding experiments were used for the study of the weld joints microstructure. The microstructure changes caused by welding process were observed by light optical microscopy and transmission electron microscopy. The microstructural characterization and microchemical analysis showed significant changes of the phase composition in the weld metal mainly. The austenitic dendrites were surrounded by eutectics, which were the mixture of the M2(C,B) and M23(C,B) borocarbides, δ-ferrite and austenite.
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Al-Fadhalah, Khaled J., Yousif Al-Attal, and Muhammad A. Rafeeq. "Microstructure Refinement of 301 Stainless Steel via Thermomechanical Processing." Metals 12, no. 10 (October 10, 2022): 1690. http://dx.doi.org/10.3390/met12101690.

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The current study applied thermomechanical processing (TMP) on 301 austenitic stainless steel to produce an ultrafine-grained austenitic structure, examining the dual effects of deformation at subzero temperature and TMP cycles on the strain-induced α′-martensitic transformation and austenite reversion occurring upon subsequent annealing. Three TMP schemes were adopted: (1) one cycle using a strain of 0.30, (2) two cycles using a strain of 0.20, and (3) three cycles using a strain of 0.15. Each cycle consisted of tensile deformation at −50 °C followed by annealing at 850 °C for 5 min. Compared to other schemes, the use of three cycles of the 0.15 strain scheme resulted in a significant formation of the martensitic phase to about 99 vol.%. Consequently, the austenite reversion occurred strongly, providing a mixture of the austenitic structure of reverted ultra-fine grains and retained coarse grains with an average grain size of 1.9 µm. The development of a mixed austenitic structure was found to lower the austenite stability and thus enhance the α′-martensitic transformation upon deformation in subsequent cycles. Moderate growth of high-angle grain boundaries occurred in the austenitic phase for all schemes, reaching a maximum of 64% in cycle 3 of the 0.15 strain scheme. The tensile behavior during subzero deformation was generally characterized by an initial strain hardening by slip (stage I), followed by a remarkable increase in strain hardening rate due to the strain-induced α′-martensitic transformation (stage II). Further straining promoted breakage of the α′-martensite banded lath structure for forming dislocation cell-type martensite, which was marked by a decline in strain hardening rate (stage III). Accordingly, the latter hardening stage had a lesser hardness enhancement of deformed samples with an increasing number of cycles. Nevertheless, the yield strength for samples processed by the 0.15 strain scheme improved from 450 MPa in cycle 1 to 515 MPa in cycle 3.
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Zong, Rui Lei, Bo Zhao, Qing Jiang Wang, Qing Feng Yin, and Dong Jin. "Study on Corrosion Behavior of Simulated Welding Microstructure of Austenitic Stainless Steel." Materials Science Forum 1066 (July 13, 2022): 55–59. http://dx.doi.org/10.4028/p-2y16kq.

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In this paper, the simulated welding structure of austenitic stainless steel is prepared by external heating, and the corrosion resistance of austenitic stainless steel in different areas of heat affected zone (HAZ) is evaluated by means of metallographic structure analysis, electrochemical impedance spectroscopy (EIS) test and equivalent circuit numerical fitting analysis. The result shows that the simulated welding structure of austenitic stainless steel had a growth trend with the increase of heating temperature, but the growth trend is not very obvious. The short thermal process has insufficient driving force for the growth of single-phase austenitic structure. The resulting of product resistance and charge transfer resistance of simulated welding microstructure of austenitic stainless steel is not completely consistent. The simulated welding microstructure of stainless steel shows the tendency of corrosion resistance degradation with the heating temperature increasing, and it has slightly lower when the maximum heating temperature locating at 1000-1100 °C.
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Liu, Xiao, and Jing Long Liang. "Effect of Ce on Microstructure and Mechanical Properties of 21Cr-11Ni Austenitic Stainless Steel." Advanced Materials Research 711 (June 2013): 95–98. http://dx.doi.org/10.4028/www.scientific.net/amr.711.95.

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The effect of Ce on structure and mechanical properties of 21Cr11Ni austenitic stainless steels were studied by metallographic examination, scanning electron microscope (SEM), tensile test. The results show that the proper amount of Ce can refine microstructure of austenitic stainless steel. Fracture is changed from cleavage to ductile fracture by adding Ce to austenitic stainless steel. 21Cr11Ni stainless steel containing 0.05% Ce can improve its high temerature strength, and the strength is increased 21.81% at 1073K respectively comparing with that of 21Cr11Ni stainless steel without Ce.
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Itman Filho, André, Wandercleiton da Silva Cardoso, Leonardo Cabral Gontijo, Rosana Vilarim da Silva, and Luiz Carlos Casteletti. "Austenitic-ferritic stainless steel containing niobium." Rem: Revista Escola de Minas 66, no. 4 (December 2013): 467–71. http://dx.doi.org/10.1590/s0370-44672013000400010.

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The austenitic-ferritic stainless steels present a better combination of mechanical properties and stress corrosion resistance than the ferritic or austenitic ones. The microstructures of these steels depend on the chemical compositions and heat treatments. In these steels, solidification starts at about 1450ºC with the formation of ferrite, austenite at about 1300ºC and sigma phase in the range of 600 to 950ºC.The latter undertakes the corrosion resistance and the toughness of these steels. According to literature, niobium has a great influence in the transformation phase of austenitic-ferritic stainless steels. This study evaluated the effect of niobium in the microstructure, microhardness and charge transfer resistance of one austenitic-ferritic stainless steel. The samples were annealed at 1050ºC and aged at 850ºC to promote formation of the sigma phase. The corrosion testes were carried out in artificial saliva solution. The addition of 0.5% Nb in the steel led to the formation of the Laves phase.This phase, associated with the sigma phase, increases the hardness of the steel, although with a reduction in the values of the charge transfer resistance.
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Silva Leite, Carla Gabriela, Eli Jorge da Cruz Junior, Mattia Lago, Andrea Zambon, Irene Calliari, and Vicente Afonso Ventrella. "Nd: YAG Pulsed Laser Dissimilar Welding of UNS S32750 Duplex with 316L Austenitic Stainless Steel." Materials 12, no. 18 (September 9, 2019): 2906. http://dx.doi.org/10.3390/ma12182906.

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Duplex stainless steels (DSSs), a particular category of stainless steels, are employed in all kinds of industrial applications where excellent corrosion resistance and high strength are necessary. These good properties are provided by their biphasic microstructure, consisting of ferrite and austenite in almost equal volume fractions of phases. In the present work, Nd: YAG pulsed laser dissimilar welding of UNS S32750 super duplex stainless steel (SDSS) with 316L austenitic stainless steel (ASS), with different heat inputs, was investigated. The results showed that the fusion zone microstructure observed consisted of a ferrite matrix with grain boundary austenite (GBA), Widmanstätten austenite (WA) and intragranular austenite (IA), with the same proportion of ferrite and austenite phases. Changes in the heat input (between 45, 90 and 120 J/mm) did not significantly affect the ferrite/austenite phase balance and the microhardness in the fusion zone.
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Ramesh, Aditya, Vishal Kumar, Anuj, and Pradeep Khanna. "Weldability of duplex stainless steels- A review." E3S Web of Conferences 309 (2021): 01076. http://dx.doi.org/10.1051/e3sconf/202130901076.

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Duplex stainless steel finds widespread use in various sectors of manufacturing and related fields. It has many advantages due to its distinctive structural combination of austenite and ferrite grains. It is the need of the current generation due to its better corrosive resistance over high production austenitic stainless steels. This paper reviews the weldability of duplex stainless steels, mentions the reason behind the need for duplex stainless steels and describes how it came into existence. The transformations in the heat-affected zones during the welding of duplex stainless steels have also been covered in this paper. The formation, microstructure and changes in high temperature and low temperature heat-affected zones have been reviewed in extensive detail. The effects of cooling rate on austenite formation has been briefly discussed. A comparison of weldability between austenitic and duplex stainless steel is also given. Finally, the paper reviews the applications of the various grades of duplex stainless steel in a variety of industries like chemical, paper and power generation and discusses the future scope of duplex stainless steel in various industrial sectors.
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Dissertations / Theses on the topic "Austenitic Stainless Steel-Microstructure"

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Wong, Chia Yuin. "Microstructure evolution in Nb alloyed Esshete 1250 creep resistant austenitic stainless steel." Thesis, Swansea University, 2008. https://cronfa.swan.ac.uk/Record/cronfa42426.

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The microstructure evolution of a commercial grade creep-resistant austenitic steel, namely Esshete 1250, was investigated under different creep temperature and stress conditions, with an overall aim of exploring the micorstructural relationship to creep rupture during high temperature application. Creep tests data was supplied by British Energy on temperatures varied from 550°C to 700°C for periods of up to 17 years. The literature review includes the study of various creep resistant alloys and a detailed investigation on the precipitation reactions that take place in creep resistant steels. Moreover, the strengthening mechanisms in order to obtain suitable creep resistance properties for engineering materials for high temperature applications is also reviewed. Long term creep deformation for Esshete 1250 creep resistant steel is reviewed in Chapter 2. The tensile properties of Esshete 1250 parent material and weld material are included in this Chapter as well. Qualitative and quantitative metallography techniques are reviewed in order to provide the required background information for the interpretation of obtained microstructure. The experimental study involved hardness testing and scanning electron microscopy examination. The size, distribution of MX precipitates was analysed with electron microscopy techniques together with Optilab analysis, while metallographic grain evolution measurements in creep exposed samples was also carried out. As part of this study, the grain size evolution and precipitate size evolution of Esshete 1250 creep resistant steel are obtained. Attention then is given to the volume fraction, size and distribution of MX (Nb-rich) particles. It is concluded that MX precipitation is the key factor that influences the creep resistance of Esshete 1250 under service conditions, while grain size is additional to the effect of MX precipitation in solution and is of secondary importance. The obtained results can be implemented into other creep alloy design, helping to meet the challenge of developing high temperature alloy systems for greater sustainability.
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Barlow, Lilian D. "The effect of austenitising and tempering parameters on the microstructure and hardness of martensitic stainless steel AISI 420." Pretoria : [s.n.], 2009. http://upetd.up.ac.za/thesis/available/etd-11262009-182934/.

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Failla, David Michael II. "Friction Stir Welding and Microstructure Simulation of HSLA-65 and Austenitic Stainless Steel." The Ohio State University, 2009. http://rave.ohiolink.edu/etdc/view?acc_num=osu1243969697.

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Günther, Johannes [Verfasser]. "Electron beam melting of metastable austenitic stainless steel : processing – microstructure – mechanical properties / Johannes Günther." Kassel : kassel university press c/o Universität Kassel - Universitätsbibliothek, 2020. http://d-nb.info/1228485488/34.

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Angella, Giuliano. "Strain path, flow stress and microstructure evolution of an austenitic stainless steel at high temperature." Thesis, University of Sheffield, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.251254.

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Clitheroe, Linda Suzanne. "The physical and microstructural properties of peened austenitic stainless steel." Thesis, University of Manchester, 2011. https://www.research.manchester.ac.uk/portal/en/theses/the-physical-and-microstructural-properties-of-peened-austenitic-stainless-steel(2576543d-5d47-4a41-9490-09eb1caf7204).html.

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Surface treatments used to improve the life of a material known as peening are already extensively used in industry. The main aim of peening is to introduce compressive resiudal stress to the surface and subsurface of a metallic material, however literature also includes a number of microstructural and mechanical effects that peening introduces to a material when the compressive residual stress is established. The aim of this dissertation is compare and contrast the mechanical and microstructural effects of a current industrial peening method called shot peening, with three new increasingly competitive surface treatments. These are laser shock peening, ultrasonic impact treatment and water jet cavitation peening. The surface finish, and changes in microstructure, hardness depth profile, residual stress depth profile and plastic work depth profile of the four surface treatments are analysed. The effect of the peening parameters on the material is also determined, such as length of time of treatment, shot size, step size, direction of treatment, and irradiance per centimetre squared. The effect of peening on the residual stress depth profile of a gas tungsten eight pass grooved weld is also determined. Welding is a known region of early failure of material, with one of the factors affecting this being the introduction of tensile residual stress to the surface and near surface of the weld. An analysis to determine if peening the welded region alters the residual stress was carried out. In all experiments in this dissertation, the material that was used was austenitic stainless steel, as this material is highly used, especially within the nuclear industry. The results of this dissertation show that different peening types and peenign parameters produce a variety of surface, microstructural and mechanical effects to austenitic stainless steel. Peening of an aaustenitic stainless steel welded region results in teh near surface tensile residual stress to alter to ccompressive residual stress.
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Sofyan, Nofrijon Bin Imam Gale W. F. "Microstructure and mechanical properties of 2024-T3 and 7075-T6 aluminum alloys and austenitic stainless steel 304 after being exposed to hydrogen peroxide." Auburn, Ala, 2008. http://repo.lib.auburn.edu/EtdRoot/2008/SUMMER/Materials_Engineering/Dissertation/Sofyan_Nofrijon_36.pdf.

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Sterling, Colin J. "Effects of Friction Stir Processing on the Microstructure and Mechanical Properties of Fusion Welded 304L Stainless Steel." Diss., CLICK HERE for online access, 2004. http://contentdm.lib.byu.edu/ETD/image/etd440.pdf.

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Clark, Tad Dee. "An Analysis of Microstructure and Corrosion Resistance in Underwater Friction Stir Welded 304L Stainless Steel." Diss., BYU ScholarsArchive, 2005. http://contentdm.lib.byu.edu/ETD/image/etd872.pdf.

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Tavares, Caio Fazzioli. "Influência da composição química e da espessura da peça fundida na quantidade e distribuição de ferrita delta em aços inoxidáveis austeníticos." Universidade de São Paulo, 2008. http://www.teses.usp.br/teses/disponiveis/3/3133/tde-10102008-061334/.

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Os aços inoxidáveis possuem numerosas aplicações devido à boa combinação de propriedades tais como resistência à corrosão e oxidação, ductilidade, tenacidade, soldabilidade e resistência mecânica em temperaturas elevadas. No entanto suas propriedades e desempenho estão fortemente relacionados com a microestrutura que por sua vez, no caso de peças fundidas, dependem principalmente da composição química e da velocidade de solidificação. No presente trabalho o efeito destas duas variáveis foram estudados e os resultados experimentais comparados com as previsões teóricas e modelos disponíveis na literatura. Dezesseis corridas de diferentes aços inoxidáveis austeníticos foram fundidas e suas composições químicas completas (16 elementos analisados) foram determinadas. A maioria das corridas analisadas apresentou modo de solidificação do tipo C. Foram encontrados teores de ferrita (medidos com auxílio de ferritoscopia) na faixa de 0 a 11%. A influência da composição química do aço na quantidade de ferrita delta formada foi marcante, enquanto a influência da espessura foi pouco acentuada. Dentre as numerosas fórmulas testadas para a previsão da quantidade de ferrita delta, as duas que apresentaram melhor resultado foram as fórmulas de Schneider e de Schoefer, sendo que esta última é recomendada pela norma ASTM A800. A amostra contendo cerca de 10% de ferrita apresentou uma rede quase contínua, o que pode comprometer a tenacidade da peça, caso esta ferrita venha a sofrer fragilização. Nas amostras contendo por volta de 5% de ferrita, a rede de ferrita é semi-contínua, enquanto para teores baixos (por volta de 2%), a ferrita apresenta-se como ilhas isoladas. As morfologias encontradas foram classificadas como sendo todas do tipo vermicular. Os estudos de micro-análise química dos elementos Si, Mo, Cr, Fe e Ni, efetuados na ferrita e na austenita revelaram coeficientes de partição de acordo com o previsto pela literatura. O efeito da espessura nas variações de composição foi pequeno e não conclusivo.
Stainless steel has numerous applications due to a good combination of properties such as corrosion and oxidation resistance, toughness, weldability and mechanical strength at high temperatures. However these properties and performance are strongly related to the microstructure and in the case of castings are mainly dependent of chemical composition and cooling rate. In this work the effect of these two factors were studied and the experimental results compared with theoretical models available in the literature. Sixteen heats of different austenitic stainless steel were cast and their complete chemical compositions (16 elements) were determined. Most of analyzed heats showed the solidification mode type C. Ferrite values (measured with ferritoscope) were found in the range from 0 to 11%. The influence of chemical composition on delta ferrite was strong while the influence of thickness was less accentuated. Among numerous tested formulas to estimate the quantity of delta ferrite two that demonstrated better results were the ones of Schneider and Schoefer, where the last one is recommended by ASTM A800 standard. The sample with approximately 10% of ferrite showed an almost continuous ferrite network microstructure that may deteriorate component part toughness if this ferrite comes to suffer embrittlement. On the samples with content ferrite around 5% the ferrite network is semi-continuous while for low values (around 2%) the ferrite showed isolated cores. The morphologies were classified as vermicular. The study of micro chemical analysis of Si, Mo, Cr, Fe and Ni on ferrite and austenite showed partition coefficient in accordance with values defined in literature. The thickness effect on chemical composition was small and not conclusive.
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Books on the topic "Austenitic Stainless Steel-Microstructure"

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N, Gunn Robert, ed. Duplex stainless steels: Microstructure, properties and applications. Cambridge, England: Abington Publishing, 1997.

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Book chapters on the topic "Austenitic Stainless Steel-Microstructure"

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Guo, Yan, Lin Lin, Shufang Hou, and Bohan Wang. "Microstructure Characterization in Domestically-Made TP310HNbN Austenitic Stainless Steel after Creep Test." In PRICM, 13–18. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2013. http://dx.doi.org/10.1002/9781118792148.ch2.

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Guo, Yan, Lin Lin, Shufang Hou, and Bohan Wang. "Microstructure characterization in domestically-made TP310HNbN austenitic stainless steel after creep test." In Proceedings of the 8th Pacific Rim International Congress on Advanced Materials and Processing, 13–18. Cham: Springer International Publishing, 2013. http://dx.doi.org/10.1007/978-3-319-48764-9_2.

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Komada, Midori, Yoshikazu Kuroda, Ryo Murakami, Noriyuki Tsuchida, Yasunori Harada, Kenzo Fukaura, and Shingo Fukumoto. "Metal Injection Molding Method of Ni-Free Austenitic Stainless Steel II - Microstructure and Mechanical Properties." In Advanced Materials Research, 19–22. Stafa: Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/0-87849-463-4.19.

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Ma, Jie, Jieyu Zhang, Bo Wang, Jian Zhao, Shunli Zhao, and Guangxin Wu. "Simulation of Solidification Microstructure in Austenitic Stainless Steel Twin-Roll Strip Casting Based on CAFE Model." In EPD Congress 2014, 441–48. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2014. http://dx.doi.org/10.1002/9781118889664.ch53.

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Abe, Yosuke, Shiro Jitsukawa, Nariaki Okubo, Hideki Matsui, and Takashi Tsukada. "Cluster Dynamics Simulation on Microstructure Evolution of Austenitic Stainless Steel and α-Iron Under Cascade Damage Condition." In Effects of Radiation on Nuclear Materials: 25th Volume, 313–37. 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959: ASTM International, 2012. http://dx.doi.org/10.1520/stp103991.

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Lee, Tae Ho, Sung Tae Kim, Hae Jung Bang, Chang Seok Oh, Sung Joon Kim, and Setsuo Takaki. "Effect of Cr2N Precipitation on Deformed Microstructure in High Nitrogen Austenitic Stainless Steel." In The Mechanical Behavior of Materials X, 161–64. Stafa: Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/0-87849-440-5.161.

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Zouari, M., L. Fournier, A. Barbu, and Y. Bréchet. "Cluster Dynamics Prediction of the Microstructure Evolution of 300-Series Austenitic Stainless Steel under Irradiation: Influence of Helium." In Proceedings of the 15th International Conference on Environmental Degradation of Materials in Nuclear Power Systems — Water Reactors, 1371–82. Cham: Springer International Publishing, 2011. http://dx.doi.org/10.1007/978-3-319-48760-1_84.

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Zouari, M., L. Fournier, A. Barbu, and Y. Bréchet. "Cluster Dynamics Prediction of the Microstructure Evolution of 300-Series Austenitic Stainless Steel under Irradiation: Influence of Helium." In 15th International Conference on Environmental Degradation of Materials in Nuclear Power Systems-Water Reactors, 1371–82. Hoboken, New Jersey, Canada: John Wiley & Sons, Inc., 2012. http://dx.doi.org/10.1002/9781118456835.ch143.

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Herrera-Solaz, V., L. Patriarca, J. Segurado, and M. Niffenegger. "Microstructure-Based Modelling and Digital Image Correlation Measurement of (Residual) Strain Fields in Austenitic Stainless Steel 316L During Tension Loading." In Structural Integrity, 313–14. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-91989-8_66.

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Hosseinzadeh, Hamed. "Microstructure and the Local Mechanical Properties of the 3D Printed Austenitic Stainless Steel at Different Temperatures of the Printer's Chamber: Computer Simulation." In Progress in additive manufacturing 2020, 386–403. 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959: ASTM International, 2022. http://dx.doi.org/10.1520/stp163720210011.

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Conference papers on the topic "Austenitic Stainless Steel-Microstructure"

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TAISNE, A., B. DECAMPS, and L. PRIESTER. "INTERFACE MICROSTRUCTURE IN FERRITIC/AUSTENITIC STAINLESS STEEL BICRYSTALS." In Proceedings of the XVIII Conference. WORLD SCIENTIFIC, 2001. http://dx.doi.org/10.1142/9789812811325_0042.

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Beese, Allison, and Dirk Mohr. "Experimental Characterization of Microstructure Evolution in Austenitic Stainless Steel With Phase Transformation." In ASME 2008 International Mechanical Engineering Congress and Exposition. ASMEDC, 2008. http://dx.doi.org/10.1115/imece2008-68817.

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The phase transformation in cold-rolled stainless steel 301LN sheets is investigated experimentally. A series of uniaxial experiments is performed to investigate the effect of initial anisotropy on the martensitic transformation kinetics. Three methods are employed to measure the martensite content: (1) X-ray diffraction, (2) micrography and (3) magnetic induction. The first two methods require interrupted tests while the third method allows for the in-situ detection of changes of the martensite volume ratio. All three methods show that the rate of austenite-to-martensite transformation is loading direction dependent. In particular, the magnetic induction technique appears to be sufficiently sensitive to detect these relative differences. However, the results also show that the determination of the absolute martensite volume content can only be quantified with poor accuracy due to the limited accuracy of X-ray diffraction and micrography.
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Yang, Jian-chun, Xiu-ping Dong, Wan-li Ma, and Shuai Chen. "Microstructure of Cool-drawing Austenitic Stainless Steel Wires Used for Metal Rubber." In International Conference on Materials Engineering and Information Technology Applications (MEITA 2015). Paris, France: Atlantis Press, 2015. http://dx.doi.org/10.2991/meita-15.2015.84.

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San Marchi, Chris, Joshua D. Sugar, Thale R. Smith, and Dorian K. Balch. "Microstructure-Property Relationships in Powder Bed Fusion of Type 304L Austenitic Stainless Steel." In ASME 2018 Pressure Vessels and Piping Conference. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/pvp2018-84901.

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Additive manufacturing (AM) includes a diverse suite of innovative manufacturing processes for producing near-net shape metallic components, typically from powder or wire. Reported mechanical properties of materials produced by these processes varies significantly and can usually be correlated with the relative porosity in the materials. In this study, relatively simple test components were manufactured from type 304L austenitic stainless steel by powder bed fusion (PBF). The quality of the components depends on a host of manufacturing parameters as well as the characteristics of the feedstock. In this study, the focus is the bulk material response. Tensile properties are reported for PBF type 304L produced in similar build geometries on two different machines with independent operators. Additionally, the effect of hydrogen on the tensile properties of the AM materials is evaluated. The goal of this study is to provide a benchmark for tensile properties of PBF 304L material in the context of wrought type 304L, and to make a preliminary assessment of the effects of hydrogen on tensile properties.
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Mogano, Kevin, and Daniel Madyira. "Study of Microstructure and Hardness of Austenitic Stainless Steel 309L Multipass Weld Beads." In 2021 IEEE 12th International Conference on Mechanical and Intelligent Manufacturing Technologies (ICMIMT). IEEE, 2021. http://dx.doi.org/10.1109/icmimt52186.2021.9476214.

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Rakowski, James M. "The Oxidation of Austenitic Stainless Steel Foils in Humidified Air." In ASME Turbo Expo 2001: Power for Land, Sea, and Air. American Society of Mechanical Engineers, 2001. http://dx.doi.org/10.1115/2001-gt-0360.

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Austenitic stainless steels form a protective external chromium oxide scale when exposed to elevated temperatures in air. Laboratory testing of thin stainless steel foil specimens demonstrates that the presence of water vapor decreases the time required for breakaway oxidation to occur. Accelerated oxidation begins after the end of an incubation period, the length of which is affected by the amount of water vapor present. Significant changes in scale microstructure accompany the transition from parabolic to accelerated oxidation.
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Li, HongLiang, Duo Liu, Zhi Wang, Ning Guo, and JiCai Feng. "An Analysis of Microstructure and Microhardness Distribution in Underwater Wet Welding of 304L Austenitic Stainless Steel to Low Alloy Steel 16Mn." In ASME 2018 13th International Manufacturing Science and Engineering Conference. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/msec2018-6434.

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In this study, underwater wet welding of 304L austenitic stainless steel to 16Mn low alloy steel was carried out using self-shielded flux-cored wires at a water depth of 0.3 m. The welds were produced using commercially obtained ER308 filler and specially developed nickel-based tubular wire. Microstructure and microhardness of wet welded joints have been particularly analyzed. The interface between austenitic weld metal and ferritic base metal was also discussed in detail. A robust weld of 304L/16Mn joint could be achieved by FCAW process using nickel-based tubular wire. Commercially obtained ER308 consumables failed to acquire sound welded joints due to large amount of slag remained in the groove. Ni-based weld metal was fully austenitic with well-developed columnar sub-grains while ER308 weld metal consisted of d-ferrite with different morphologies in the austenitic matrix. Type II boundary existed between austenitic weld metal and ferritic base metal. Compared to ER308 weld metal, Ni-based weld metal possessed the ability to be diluted by 16Mn base metal. Maximum hardness values in wet welding appeared in coarse-grained heat affected zone instead of transition zone for both consumables. Austenitic stainless steel welded joints exhibited high microhardness in the transition zone of 16Mn side, which was strongly diluted by ferritic base metal.
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Brayshaw, W. J., A. H. Sherry, M. G. Burke, and P. James. "Characterisation of Microstructure and Properties of a Transition Weld." In ASME 2016 Pressure Vessels and Piping Conference. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/pvp2016-63045.

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Transition welds represent a challenge for the assessment of structural integrity of nuclear plant due to the complexity of the microstructure, properties and local stress state. This paper presents the initial findings of a study aimed at characterising the local microstructure and properties of a transition weld between SA508-4N ferritic steel and SS316LN austenitic stainless steel using a nickel-base filler of Alloy 82. The local microstructures and local composition of the material interfaces are characterised using backscattered electron imaging and Energy-dispersive X-ray spectroscopy. The ferritic steel shows significant grain refinement in the heat affected zone compared to the base metal. This refinement is also observed in the heat affected zone of the austenitic stainless steel although not as significant. Micro-hardness testing has also been incorporated to provide an indication of the influence of local microstructure on flow properties across the weld region. The results indicate a hardness range of between 180–340HV across the weld with the highest value in the heat affected zone of the ferritic steel and the lowest in the austenitic stainless steel. Yield and flow properties derived from flat transweld tensile tests incorporating digital image correlation are related to the micro-hardness results and microstructural characterisation, and an initial assessment of the fracture mechanism performed using fractography.
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Huang, Zhong-Bao, Cheng-Gang Yang, Nan-Song Zheng, Zhen Lv, and Hao-Yu Bin. "Effect of TIG Weld Current on 1Cr18Mn8Ni5N Austenitic Stainless Steel Welding Microstructure and Mechanical Properties." In 2015 International Conference on Material Science and Applications (icmsa-15). Paris, France: Atlantis Press, 2015. http://dx.doi.org/10.2991/icmsa-15.2015.108.

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Wright, R. N., and W. D. Swank. "Microstructure Effects on Stainless Steel Substrates from Deposition of Plasma Spray Coatings." In ITSC 2000, edited by Christopher C. Berndt. ASM International, 2000. http://dx.doi.org/10.31399/asm.cp.itsc2000p0423.

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Abstract Cold work and heat treatment influence the mechanical properties, residual stress-state, and corrosion resistance of austenitic stainless steels. In this study we have examined changes in the defect substructure and microstructure of Type 304 stainless steel resulting from surface preparation, and deposition of bond coats and thick ceramic coatings using plasma spray methods. The structure of the stainless steel was examined as a function of depth from the coating surface using optical and transmission electron microscopy, and x-ray diffraction. Grit blasting was found to severely cold work the material to a depth of tens of microns, and the amount of cold work varied with measured abrasive particle velocity. The heat input to the surface as a result of depositing a metallic bond coat or thick ceramic coating resulted in substantial annealing of the cold work imparted into the substrate by surface preparation. There was, however, no evidence of change in grain size near the substrate-coating interface that could be attributed to recrystallization or grain growth in the substrate.
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Reports on the topic "Austenitic Stainless Steel-Microstructure"

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Ramuhalli, Pradeep, Morris S. Good, Aaron A. Diaz, Michael T. Anderson, Bruce E. Watson, Timothy J. Peters, Mukul Dixit, and Leonard J. Bond. Ultrasonic Characterization of Cast Austenitic Stainless Steel Microstructure: Discrimination between Equiaxed- and Columnar-Grain Material ? An Interim Study. Office of Scientific and Technical Information (OSTI), October 2009. http://dx.doi.org/10.2172/967235.

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